TARGAS-1 Operation Manual V. 1.02  48  support@ppsystems.com 
 
Air pressure in IRGAs (mb) 
Soil moisture content (%) 
Indicates the machine is in Closed mode 
Goes back the previous screen (Measure Screen 1). 
Selects the next measurement screen (Graph Screen). 
 
Graphic Display Screen 
The Graphic display screen shows a real-time display of CO2r or H2Or.  
 
CO
2
 Reference:  Fixed range: 0 – 1000 ppm 
H2O Reference:  Fixed range:  0 – 30 mb 
X-axis time (range 3 minutes) 
Goes back the previous screen (Measure Screen 2). 
Selects the next measurement screen (Measure Screen 1). 
 
To display one of the 2 parameters simply press the corresponding button.  Only one parameter can be 
displayed at a time. When selected it will be have a dark border around it.